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H. S. TOMPKI NS.

Cider-Press.

Patenfed-Api'il 20,1880.

wwjiamm Jazz/wit NJ'EIERS, PHOYQ-LITHOGRAPHER, WASHINGTON. D. c.

UNITED STATES PATENT 01mins.

HENRY S. TOMPKINS, OF LA SALLE, NEW YORK.

CIDER-PRESS.

SPECIFICATION forming part of Letters Patent No. 226,687, dated April 20, 1880.

Application filed December 19, 1879.

To all whom it may concern:

Be it known that I, HENRY S.ToMPK1Ns, of La Salle, in the county of Niagara and State of New York, have invented new and useful Improvements in Cider-Presses, of which the followipg is a specification, reference being had to the accompanying drawings. This invention relates more particularly to that class of presses in which the follower is operated with a comparatively slow movementas, for instance, cider and wine presses; but it may, with advantage, be applied to all similar kinds of presses.

The object of the invention is to produce a simple, effective, and durable press which is easily operated by hand or power; and my invention consists of the particular combination and arrangement of parts whereby this object is attained as will be hereinafter fully set forth.

In the accompanying drawings, Figure l is a front elevation of my improved press. Fig. 2 is a vertical section in line a: 00, Fig. 1. Fig. 3 is a horizontal section in line 1 3 Fig. 1. Fig. at is a fragmentary vertical section in line 2 2, Fig. 1.

Like letters of reference designate like parts in the several figures.

A A represent two pairs of upright posts, connected at the bottom by horizontal sills B B and at the top by horizontal cap-pieces G O, in such manner that a clear space is formedbetween each pair of posts A A, in which the follower D moves vertically. The two sills B B and caps O (l are connected by transverse straps e f, respectively. g g are vertical tie-rods arranged on the inner sides of the posts A A, and passing through the sills B B, caps G O, and straps e f.

H H are two uprights supported upon and between the cap-pieces O O, which latter are mortised on their inner sides to form sockets for the reception of the lower ends of the uprights H H. I is a horizontal cap-piece resting upon the uprights H H, and h is a horizontal bridge-tree arranged between the uprights H H at a short distance below the cappiece 1.

J J are two fulcrum-blocks arranged underneath and between the cap-pieces O O, and in contact with the inner sides of the posts A A. Z Z are tie-rods connecting the upper cap-piece, I, with the fulcrum-blocks J J, and passing through holes in the cross-straps f.

M is the vertical actuating-screw, arranged centrally in the frame of the press, and passing through openings in the cap-piece I and bridge-tree h. m is a screw-nut, which is confined between the cap-piece I and bridgetree h, so that by turning the nut m inone or the other direction a descending or ascending rectilinear movement is imparted to the screw M. The lower end of the latter is connected with a cross-head, N, which slides between two pairs of vertical guide-bars, O O, secured to the inner sides of the cap-pieces O O. The inner edges of the guide-bars O 0 may be made V-shaped, and the shoes of the crosshead be provided with correspondiugly-shaped grooves, as represented in Fig. 3, to properly guide the cross-head and prevent its displace ment.

1? and Q represent the toggle-bars, arranged in two sets on opposite sides of the actuatingscrew M. .The upper bars, P, are pivoted with their upper ends to the fulcrum-blocks J J, and the lower bars, Q, are pivoted with their upper ends to the lower ends of the upper bars, P, and with their lower ends to the follower D. I

It represents links which connect the crosshead N with thejoint ot' the toggle-bars P Q, so that by raising or lowering the screw M both sets of toggle-bars are actuated simultaneously. Upon turning the screw-nut m in the proper direction the screw M is lowered and the links R are caused to press against the toggle-bars P Q in such manner as to tend to straighten the same. As the cross-head is lowered the angle at which the links R are placed with reference to 'the toggle-bars is gradually changed and approaches a right angle, thereby increasing in the same measure the effect of the screw upon the toggle-bars from the beginning toward the end of the downward movement of the follower. By reversing the rotating movement of the screw the follower is raised in an obvious manner.

The screw-nut m is constructed in the form of a hand-wheel when the press is to be oper- 2. The combination, with the main frame A TO ated by hand, or in the form of a chain or other B O, uprights H, cap I, bridge-tree h, and fulpulley when the press is designed to be opercram-blocks J, of the central screw, M, crossated by power. head N, guide-bars 0, links R, and toggle- I claim as my invention bars P Q, substantially as set forth. 1. The combination, with the main frameA HENRY S. TOMPKINS. B O, of the uprights H, cap I, bridge-tree h, Witnesses: and fulcrum-blocks J, substantiallyas and for JNO. J. BONNER, the purpose set forth. EDW. J. BRADY. 

